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J20 axles in a J10 - Driveshaft ?

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  • J20 axles in a J10 - Driveshaft ?

    Do my driveshafts need changed if I go to J20 axles?

    I'm sure the front will work but what of the back?
    What if I go with a 2"lift and the J20 axles?
    How about a 4" lift with the J20 axles?
    If I go with a 4" should I swap the pitman arm? It needs to stay highway speed safe as well.

    This Honcho may be in Ouray next month. Currently it is all stock. This weekend it gets a thorough going over. If my springs(2 leaf up front) don't pass my inspection then I'm buying new springs. I really don't want to lift this truck much at all but would really like to run my spare set of J20 axles in it. That would allow me to slap on my 33" MT tires from my 1981 J20 for wheeling. I'm thinking 2" is enough clearance for moderate wheeling.
    I'll then buy a set of street friendly 33" tires and mount on the slotted mags. Then I can interchange as needed.
    I have nearly new shocks on the truck now is another reason not to go too high.


    The Chero is going SOA so it will be my main hard wheeler this Honcho is just a stand in for now.
    Last edited by HOOT; 06-18-2008, 10:22 PM.
    Tom Gibson
    1980 J20 Utility bed truck. Factory cab and chassis truck. Many new mods for it but it will look all stock.
    1985 J10 nothing special just a nice clean stock truck.
    1977 Honcho "Blue" 401/400/quad. Under going major upgrades.."This is Not Your Fathers Honcho", it may not even be a Honcho anymore when done.
    2017 Challenger. Very jealous of the Jeeps.

  • #2
    i bet there is enough slip in the shaft that you'll be fine.

    Al
    79 Cherokee Chief "Kronk" - TBI350/SM465/NP205
    99 Dodge 2500 4x4 - Cummins 24v
    07 Mazdaspeed3 GT - Big turbo, 340whp

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    • #3
      If I remember correctly we used the same drive shaft from the Cherokee
      on crom when we put in the J20 axles. We did have to get a U joint that had both sizes of bearings on it
      Last edited by bigun; 06-19-2008, 07:25 PM.
      charlie
      KB0HXA
      "Crom" 76/75 Cherokee/J20 Hybred,

      Originally posted by Gambler68
      congrats...that's the first post on here I have absolutely no effing clue how to comment on.
      How you behave toward cats here below determines your status in Heaven.
      Robert A. Heinlein
      The birth of CROM is recorded here
      http://www.alaska4x4network.com/showthread.php?t=7778

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      • #4
        Originally posted by bigun
        If I remember correctly we used the same drive shaft from the Cherokee
        on crom when we put in the J20 axles. We did have to get a U joint that had both sizes of bearings on it
        REally?? i thought all fsj's had 1310 joints?
        Kaiser - 1981 J20 115" WB - 5.3l/4l60E/np241c/3-link hp60 spooled/Leafs 14-bolt detroit/5.13's/40's

        Build Thread

        Fight Crime...Shoot Back.

        ΜΟΛΩΝ ΛΑΒΕ

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        • #5
          It may have been because we used a scout Dana 20.
          charlie
          KB0HXA
          "Crom" 76/75 Cherokee/J20 Hybred,

          Originally posted by Gambler68
          congrats...that's the first post on here I have absolutely no effing clue how to comment on.
          How you behave toward cats here below determines your status in Heaven.
          Robert A. Heinlein
          The birth of CROM is recorded here
          http://www.alaska4x4network.com/showthread.php?t=7778

          Comment


          • #6
            when i swapped in a set of j20 axles into my j10. the front driveshaft fit with only a 2" lift but the rear did not becuase of the pinion stick out more on the D60s that the D44s. Best thing to do is build it how you want and go from there. I'd try using the J20 driveshafts if posible.
            03 GMC 2500HD - DD/toy hauler
            06 Street Glide - Cruiser

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